Robin H. E. Shepherd, Czechoslovakia - the Velvet Revolution and Beyond. Zeitschrift für Ostmitteleuropa-Forschung, Marburg, v. 51, n. 1, p. 132, 2002. DOI: 10.25627/20025117702. Disponível em: https://openjournals.osmikon.de/zfo/article/view/7702. Acesso em: 31 oct. 2026.